The ancestors of modern-day fish were vertebrate chordates. vertebrate chordates are believed to have evolved from invertebrate chordates, which were similar to modern-day tunicates. what change might have occurred during evolution?

Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.

What is responsible for the uneven heating between the poles and the equator on any given day

Why are common names a problem for scientist?